Molly had to wear stilts to accommodate the giant balloon gown, which consisted of 590 balloons. "That's my most so far, by far," she said of the Christmas tree design.

Sailfin mollies differ from shortfin mollies in morphological traits associated with mating signals (dorsal fin size and gonopodium length) and potentially, swimming performance (caudal fin size).

Her family have all passed away, but when 99-year-old Molly Barnes gets lonely she can turn to one treasured item in her cupboard that's kept her spirits up for the last 20 years - a balloon.